package de.tavolio.oidc;

import de.tavolio.realm.RealmEntity;
import de.tavolio.realm.RealmRepo;
import de.tavolio.realm.key.KeypairEntity;
import jakarta.inject.Inject;
import jakarta.ws.rs.*;
import jakarta.ws.rs.core.MediaType;

import java.util.LinkedList;
import java.util.List;
import java.util.Map;

@Path("/realms/{realm-key}/oidc/keys")
public class JwksService
{
    @Inject
    RealmRepo realmRepo;

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public Map<String, Object> get(@PathParam("realm-key") String realmKey)
    {
        RealmEntity realm = realmRepo.findByKey(realmKey);
        if (realm != null)
        {
            List<Map<String, String>> result = new LinkedList<>();
            for (KeypairEntity keypair : realm.getKeys())
            {
                if ("EC".equals(keypair.getType()))
                {
                    result.add(Map.ofEntries(
                        Map.entry("kty", "EC"),
                        Map.entry("alg", keypair.getAlg()),
                        Map.entry("use", keypair.getUse()),
                        Map.entry("crv", keypair.getCrv()),
                        Map.entry("kid", keypair.getId()),
                        Map.entry("x", keypair.getX()),
                        Map.entry("y", keypair.getY())
                    ));
                }
            }
            return Map.ofEntries(Map.entry("keys", result));
        }
        throw new NotFoundException();
    }
}